Hi!A ecosystem is a geographic area where plants,animals,and other organisms,as well weather and landscape work to together to from a bubble of life.
I know this sounds silly but I just took the test they were made in the stars or B
Explanation:
The dog salivating is an example of responding to stimuli
Answer:
Ectoderm
Explanation:
Of the three primary germ layers in the very early embryo, the ectoderm is the one that gives place to the epidermis (epidermic skin cells).
The mesoderm will develop into muscle and bone, while endoderm turns into the lungs, stomach and other organs.
